APA (7th ed.) Zitazioa
Gardstrom, S. C. (2007). Music therapy improvisation for groups: Essential leadership competencies. Barcelona Publishers.
Chicago Style (17th ed.) Zitazioa
Gardstrom, Susan C. Music Therapy Improvisation for Groups: Essential Leadership Competencies. Gilsum, New Hampshire: Barcelona Publishers, 2007.
MLA (9th ed.) Zitazioa
Gardstrom, Susan C. Music Therapy Improvisation for Groups: Essential Leadership Competencies. Barcelona Publishers, 2007.
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